18863335

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 24016320

約数和(自身を除く): 5152985

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2689, 7015, 13445, 61847, 164029, 309235, 820145, 3772667, 18863335]

約数ペア:

[(1, 18863335), (5, 3772667), (23, 820145), (61, 309235), (115, 164029), (305, 61847), (1403, 13445), (2689, 7015)]